Service unit



FIG. 1 is a front perspective view of a service unit showing our newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof opposite to that shownin FIG. 4;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a back elevational view thereof opposite to that shown in FIG.3.

The subject matter shown in broken lines is for illustrative purposesonly and forms no part of the claimed design.

The ornamental design for a service unit, as shown and described.